BD1440332
Usnic acid , 98% , 125-46-2
CAS NO.:125-46-2
Empirical Formula: C18H16O7
Molecular Weight: 344.32
MDL number: MFCD00065294
EINECS: 204-740-7
Pack Size | Price | Stock | Quantity |
250mg | RMB35.20 | In Stock |
|
1g | RMB87.20 | In Stock |
|
5g | RMB240.00 | In Stock |
|
10g | RMB423.20 | In Stock |
|
25g | RMB912.80 | In Stock |
|
100g | RMB2808.00 | In Stock |
|
others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
Melting point: | 200°C |
alpha | D16 +509.4° (c = 0.697 in chloroform) |
Boiling point: | 399.43°C (rough estimate) |
Density | 1.2869 (rough estimate) |
refractive index | 495 ° (C=0.7, CHCl3) |
storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
solubility | DMF:2.5(Max Conc. mg/mL);7.26(Max Conc. mM) |
form | A crystalline solid |
pka | 4.00±0.40(Predicted) |
color | White to yellow |
Merck | 9893 |
LogP | 2.880 |
CAS DataBase Reference | 125-46-2(CAS DataBase Reference) |
EPA Substance Registry System | Usnic acid (125-46-2) |
Description and Uses
antibacterial
Safety
Symbol(GHS) | GHS07 |
Signal word | Warning |
Hazard statements | H302-H335 |
Precautionary statements | P261 |
Hazard Codes | T,N |
Risk Statements | 25-50/53 |
Safety Statements | 22-24/25-61-60-45 |
RTECS | HP5270000 |
Hazardous Substances Data | 125-46-2(Hazardous Substances Data) |
Toxicity | LD50 i.v. in mice: 25 mg/kg (Gottlieb, Shaw) |